ramips: use gpio-keys-polled instead of gpio-buttons

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30461 3c298f89-4303-0410-b956-a3cf2f4a3e73

26 files changed, 156 insertions, 136 deletions

diff --git a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/dev-gpio-buttons.h b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/dev-gpio-buttons.h
index d223737e09..8eb5e16906 100644
--- a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/dev-gpio-buttons.h
+++ b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/dev-gpio-buttons.h
@@ -12,18 +12,16 @@
 #define __ASM_MACH_RALINK_DEV_GPIO_BUTTONS_H
 
 #include <linux/input.h>
-#include <linux/gpio_buttons.h>
+#include <linux/gpio_keys.h>
 
 #ifdef CONFIG_RALINK_DEV_GPIO_BUTTONS
-void ramips_register_gpio_buttons(int id,
-				  unsigned poll_interval,
-				  unsigned nbuttons,
-				  struct gpio_button *buttons);
+void
+ramips_register_gpio_buttons(int id, unsigned poll_interval, unsigned nbuttons,
+			     struct gpio_keys_button *buttons);
 #else
-static inline void ramips_register_gpio_buttons(int id,
-						unsigned poll_interval,
-						unsigned nbuttons,
-						struct gpio_button *buttons)
+static inline void
+ramips_register_gpio_buttons(int id, unsigned poll_interval, unsigned nbuttons,
+			     struct gpio_keys_button *buttons)
 {
 }
 #endif
diff --git a/target/linux/ramips/files/arch/mips/ralink/common/dev-gpio-buttons.c b/target/linux/ramips/files/arch/mips/ralink/common/dev-gpio-buttons.c
index 4d936d05c2..75a2a17143 100644
--- a/target/linux/ramips/files/arch/mips/ralink/common/dev-gpio-buttons.c
+++ b/target/linux/ramips/files/arch/mips/ralink/common/dev-gpio-buttons.c
@@ -17,11 +17,11 @@
 void __init ramips_register_gpio_buttons(int id,
 					 unsigned poll_interval,
 					 unsigned nbuttons,
-					 struct gpio_button *buttons)
+					 struct gpio_keys_button *buttons)
 {
 	struct platform_device *pdev;
-	struct gpio_buttons_platform_data pdata;
-	struct gpio_button *p;
+	struct gpio_keys_platform_data pdata;
+	struct gpio_keys_button *p;
 	int err;
 
 	p = kmalloc(nbuttons * sizeof(*p), GFP_KERNEL);
@@ -30,7 +30,7 @@ void __init ramips_register_gpio_buttons(int id,
 
 	memcpy(p, buttons, nbuttons * sizeof(*p));
 
-	pdev = platform_device_alloc("gpio-buttons", id);
+	pdev = platform_device_alloc("gpio-keys-polled", id);
 	if (!pdev)
 		goto err_free_buttons;
 
@@ -43,7 +43,6 @@ void __init ramips_register_gpio_buttons(int id,
 	if (err)
 		goto err_put_pdev;
 
-
 	err = platform_device_add(pdev);
 	if (err)
 		goto err_put_pdev;
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt288x/mach-f5d8235-v1.c b/target/linux/ramips/files/arch/mips/ralink/rt288x/mach-f5d8235-v1.c
index 71c84c1467..850dc4bd7d 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt288x/mach-f5d8235-v1.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt288x/mach-f5d8235-v1.c
@@ -35,7 +35,8 @@
 #define F5D8235_GPIO_BUTTON_WPS		0
 #define F5D8235_GPIO_BUTTON_RESET	9
 
-#define F5D8235_BUTTONS_POLL_INTERVAL	20
+#define F5D8235_KEYS_POLL_INTERVAL	20
+#define F5D8235_KEYS_DEBOUNCE_INTERVAL	(3 * F5D8235_KEYS_POLL_INTERVAL)
 
 static struct mtd_partition f5d8235_partitions[] = {
 	{
@@ -92,19 +93,19 @@ static struct gpio_led f5d8235_leds_gpio[] __initdata = {
 	}
 };
 
-static struct gpio_button f5d8235_gpio_buttons[] __initdata = {
+static struct gpio_keys_button f5d8235_gpio_buttons[] __initdata = {
 	{
 		.desc		= "reset",
 		.type		= EV_KEY,
 		.code		= KEY_RESTART,
-		.threshold	= 3,
+		.debounce_interval = F5D8235_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= F5D8235_GPIO_BUTTON_RESET,
 		.active_low	= 1,
 	}, {
 		.desc		= "wps",
 		.type		= EV_KEY,
 		.code		= KEY_WPS_BUTTON,
-		.threshold	= 3,
+		.debounce_interval = F5D8235_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= F5D8235_GPIO_BUTTON_WPS,
 		.active_low	= 1,
 	}
@@ -121,7 +122,7 @@ static void __init f5d8235_init(void)
 	ramips_register_gpio_leds(-1, ARRAY_SIZE(f5d8235_leds_gpio),
 				  f5d8235_leds_gpio);
 
-	ramips_register_gpio_buttons(-1, F5D8235_BUTTONS_POLL_INTERVAL,
+	ramips_register_gpio_buttons(-1, F5D8235_KEYS_POLL_INTERVAL,
 				     ARRAY_SIZE(f5d8235_gpio_buttons),
 				     f5d8235_gpio_buttons);
 
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt288x/mach-rt-n15.c b/target/linux/ramips/files/arch/mips/ralink/rt288x/mach-rt-n15.c
index 0818f2c233..dcffec0006 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt288x/mach-rt-n15.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt288x/mach-rt-n15.c
@@ -32,7 +32,8 @@
 #define RT_N15_GPIO_RTL8366_SCK		2
 #define RT_N15_GPIO_RTL8366_SDA		1
 
-#define RT_N15_BUTTONS_POLL_INTERVAL	20
+#define RT_N15_KEYS_POLL_INTERVAL	20
+#define RT_N15_KEYS_DEBOUNCE_INTERVAL	(3 * RT_N15_KEYS_POLL_INTERVAL)
 
 static struct mtd_partition rt_n15_partitions[] = {
 	{
@@ -78,19 +79,19 @@ static struct gpio_led rt_n15_leds_gpio[] __initdata = {
 	}
 };
 
-static struct gpio_button rt_n15_gpio_buttons[] __initdata = {
+static struct gpio_keys_button rt_n15_gpio_buttons[] __initdata = {
 	{
 		.desc		= "reset",
 		.type		= EV_KEY,
 		.code		= KEY_RESTART,
-		.threshold	= 3,
+		.debounce_interval = RT_N15_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= RT_N15_GPIO_BUTTON_RESET,
 		.active_low	= 1,
 	}, {
 		.desc		= "wps",
 		.type		= EV_KEY,
 		.code		= KEY_WPS_BUTTON,
-		.threshold	= 3,
+		.debounce_interval = RT_N15_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= RT_N15_GPIO_BUTTON_WPS,
 		.active_low	= 1,
 	}
@@ -118,7 +119,7 @@ static void __init rt_n15_init(void)
 	ramips_register_gpio_leds(-1, ARRAY_SIZE(rt_n15_leds_gpio),
 				  rt_n15_leds_gpio);
 
-	ramips_register_gpio_buttons(-1, RT_N15_BUTTONS_POLL_INTERVAL,
+	ramips_register_gpio_buttons(-1, RT_N15_KEYS_POLL_INTERVAL,
 				     ARRAY_SIZE(rt_n15_gpio_buttons),
 				     rt_n15_gpio_buttons);
 
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt288x/mach-wli-tx4-ag300n.c b/target/linux/ramips/files/arch/mips/ralink/rt288x/mach-wli-tx4-ag300n.c
index 03c4adf31b..a9f0de4d86 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt288x/mach-wli-tx4-ag300n.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt288x/mach-wli-tx4-ag300n.c
@@ -32,7 +32,8 @@
 #define WLI_TX4_AG300N_GPIO_BUTTON_BW_SWITCH	8
 #define WLI_TX4_AG300N_GPIO_BUTTON_RESET	9
 
-#define WLI_TX4_AG300N_BUTTONS_POLL_INTERVAL	20
+#define WLI_TX4_AG300N_KEYS_POLL_INTERVAL	20
+#define WLI_TX4_AG300N_KEYS_DEBOUNCE_INTERVAL	(3 * WLI_TX4_AG300N_KEYS_POLL_INTERVAL)
 
 static struct mtd_partition wli_tx4_ag300n_partitions[] = {
 	{
@@ -98,12 +99,12 @@ static struct gpio_led wli_tx4_ag300n_leds_gpio[] __initdata = {
 	},
 };
 
-static struct gpio_button wli_tx4_ag300n_gpio_buttons[] __initdata = {
+static struct gpio_keys_button wli_tx4_ag300n_gpio_buttons[] __initdata = {
 	{
 		.desc		= "Reset button",
 		.type		= EV_KEY,
 		.code		= KEY_RESTART,
-		.threshold	= 3,
+		.debounce_interval = WLI_TX4_AG300N_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= WLI_TX4_AG300N_GPIO_BUTTON_RESET,
 		.active_low	= 1,
 	},
@@ -111,7 +112,7 @@ static struct gpio_button wli_tx4_ag300n_gpio_buttons[] __initdata = {
 		.desc		= "AOSS button",
 		.type		= EV_KEY,
 		.code		= KEY_WPS_BUTTON,
-		.threshold	= 3,
+		.debounce_interval = WLI_TX4_AG300N_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= WLI_TX4_AG300N_GPIO_BUTTON_AOSS,
 		.active_low	= 1,
 	},
@@ -119,7 +120,7 @@ static struct gpio_button wli_tx4_ag300n_gpio_buttons[] __initdata = {
 		.desc		= "Bandwidth switch",
 		.type		= EV_KEY,
 		.code		= BTN_0,
-		.threshold	= 3,
+		.debounce_interval = WLI_TX4_AG300N_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= WLI_TX4_AG300N_GPIO_BUTTON_BW_SWITCH,
 		.active_low	= 0,
 	},
@@ -131,7 +132,7 @@ static void __init wli_tx4_ag300n_init(void)
 
 	ramips_register_gpio_leds(-1, ARRAY_SIZE(wli_tx4_ag300n_leds_gpio),
 				  wli_tx4_ag300n_leds_gpio);
-	ramips_register_gpio_buttons(-1, WLI_TX4_AG300N_BUTTONS_POLL_INTERVAL,
+	ramips_register_gpio_buttons(-1, WLI_TX4_AG300N_KEYS_POLL_INTERVAL,
 				     ARRAY_SIZE(wli_tx4_ag300n_gpio_buttons),
 				     wli_tx4_ag300n_gpio_buttons);
 
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-all0256n.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-all0256n.c
index 3a53e16d07..cd25c4345b 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-all0256n.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-all0256n.c
@@ -28,7 +28,8 @@
 #define ALL0256N_GPIO_LED_RSSI_LOW 14
 #define ALL0256N_GPIO_LED_RSSI_MED 12
 #define ALL0256N_GPIO_LED_RSSI_HIGH 13
-#define ALL0256N_BUTTONS_POLL_INTERVAL 20
+#define ALL0256N_KEYS_POLL_INTERVAL 20
+#define ALL0256N_KEYS_DEBOUNCE_INTERVAL	(3 * ALL0256N_KEYS_POLL_INTERVAL)
 
 static struct mtd_partition all0256n_partitions[] = {
 	{
@@ -76,12 +77,12 @@ struct spi_board_info all0256n_spi_slave_info[] __initdata = {
 	},
 };
 
-static struct gpio_button all0256n_gpio_buttons[] __initdata = {
+static struct gpio_keys_button all0256n_gpio_buttons[] __initdata = {
 	{
 		.desc		= "reset",
 		.type		= EV_KEY,
 		.code		= KEY_RESTART,
-		.threshold	= 3,
+		.debounce_interval = ALL0256N_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= ALL0256N_GPIO_BUTTON_RESET,
 		.active_low	= 1,
 	}
@@ -112,7 +113,7 @@ static void __init all0256n_init(void)
 	rt305x_register_ethernet();
 	ramips_register_gpio_leds(-1, ARRAY_SIZE(all0256n_leds_gpio),
 				  all0256n_leds_gpio);
-	ramips_register_gpio_buttons(-1, ALL0256N_BUTTONS_POLL_INTERVAL,
+	ramips_register_gpio_buttons(-1, ALL0256N_KEYS_POLL_INTERVAL,
 				     ARRAY_SIZE(all0256n_gpio_buttons),
 				     all0256n_gpio_buttons);
 	rt305x_register_wifi();
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-argus-atp52b.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-argus-atp52b.c
index d1c5170293..00832f13bb 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-argus-atp52b.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-argus-atp52b.c
@@ -27,7 +27,8 @@
 #define ARGUS_ATP52B_GPIO_LED_NET		13
 #define ARGUS_ATP52B_GPIO_BUTTON_WPS		0
 #define ARGUS_ATP52B_GPIO_BUTTON_RESET		10
-#define ARGUS_ATP52B_BUTTONS_POLL_INTERVAL	20
+#define ARGUS_ATP52B_KEYS_POLL_INTERVAL		20
+#define ARGUS_ATP52B_KEYS_DEBOUNCE_INTERVAL	(3 * ARGUS_ATP52B_KEYS_POLL_INTERVAL)
 
 static struct gpio_led argus_atp52b_leds_gpio[] __initdata = {
 	{
@@ -42,12 +43,12 @@ static struct gpio_led argus_atp52b_leds_gpio[] __initdata = {
 	}
 };
 
-static struct gpio_button argus_atp52b_gpio_buttons[] __initdata = {
+static struct gpio_keys_button argus_atp52b_gpio_buttons[] __initdata = {
 	{
 		.desc       = "wps",
 		.type       = EV_KEY,
 		.code       = KEY_WPS_BUTTON,
-		.threshold  = 3,
+		.debounce_interval = ARGUS_ATP52B_KEYS_DEBOUNCE_INTERVAL,
 		.gpio       = ARGUS_ATP52B_GPIO_BUTTON_WPS,
 		.active_low = 1,
 	},
@@ -55,7 +56,7 @@ static struct gpio_button argus_atp52b_gpio_buttons[] __initdata = {
 		.desc       = "reset",
 		.type       = EV_KEY,
 		.code       = KEY_RESTART,
-		.threshold  = 10,
+		.debounce_interval = ARGUS_ATP52B_KEYS_DEBOUNCE_INTERVAL,
 		.gpio       = ARGUS_ATP52B_GPIO_BUTTON_RESET,
 		.active_low = 1,
 	}
@@ -99,7 +100,7 @@ static void __init argus_atp52b_init(void)
 	rt305x_register_flash(0, &argus_atp52b_flash_data);
 	ramips_register_gpio_leds(-1, ARRAY_SIZE(argus_atp52b_leds_gpio),
 					argus_atp52b_leds_gpio);
-	ramips_register_gpio_buttons(-1, ARGUS_ATP52B_BUTTONS_POLL_INTERVAL,
+	ramips_register_gpio_buttons(-1, ARGUS_ATP52B_KEYS_POLL_INTERVAL,
 					ARRAY_SIZE(argus_atp52b_gpio_buttons),
 					argus_atp52b_gpio_buttons);
 	rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_WLLLL;
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-bc2.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-bc2.c
index bb225c1f1c..4b03b776c7 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-bc2.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-bc2.c
@@ -25,7 +25,8 @@
 #define BC2_GPIO_BUTTON_RESET		17
 #define BC2_GPIO_LED_USB		20
 
-#define BC2_BUTTONS_POLL_INTERVAL	20
+#define BC2_KEYS_POLL_INTERVAL		20
+#define BC2_KEYS_DEBOUNCE_INTERVAL	(3 * BC2_KEYS_POLL_INTERVAL)
 
 static struct mtd_partition bc2_partitions[] = {
 	{
@@ -71,12 +72,12 @@ static struct gpio_led bc2_leds_gpio[] __initdata = {
 	}
 };
 
-static struct gpio_button bc2_gpio_buttons[] __initdata = {
+static struct gpio_keys_button bc2_gpio_buttons[] __initdata = {
 	{
 		.desc		= "reset",
 		.type		= EV_KEY,
 		.code		= KEY_RESTART,
-		.threshold	= 3,
+		.debounce_interval = BC2_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= BC2_GPIO_BUTTON_RESET,
 		.active_low	= 1,
 	}
@@ -93,7 +94,7 @@ static void __init bc2_init(void)
 	ramips_register_gpio_leds(-1, ARRAY_SIZE(bc2_leds_gpio),
 				  bc2_leds_gpio);
 
-	ramips_register_gpio_buttons(-1, BC2_BUTTONS_POLL_INTERVAL,
+	ramips_register_gpio_buttons(-1, BC2_KEYS_POLL_INTERVAL,
 				     ARRAY_SIZE(bc2_gpio_buttons),
 				     bc2_gpio_buttons);
 
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-dir-300-revb.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-dir-300-revb.c
index 70a2245b8d..b84d9ed9f4 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-dir-300-revb.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-dir-300-revb.c
@@ -29,7 +29,8 @@
 #define DIR_300B_GPIO_BUTTON_WPS	0	/* active low */
 #define DIR_300B_GPIO_BUTTON_RESET	10	/* active low */
 
-#define DIR_300B_BUTTONS_POLL_INTERVAL	20
+#define DIR_300B_KEYS_POLL_INTERVAL	20
+#define DIR_300B_KEYS_DEBOUNCE_INTERVAL	(3 * DIR_300B_KEYS_POLL_INTERVAL)
 
 static struct mtd_partition dir_300b_partitions[] = {
 	{
@@ -83,19 +84,19 @@ static struct gpio_led dir_300b_leds_gpio[] __initdata = {
 	}
 };
 
-static struct gpio_button dir_300b_gpio_buttons[] __initdata = {
+static struct gpio_keys_button dir_300b_gpio_buttons[] __initdata = {
 	{
 		.desc		= "reset",
 		.type		= EV_KEY,
 		.code		= KEY_RESTART,
-		.threshold	= 3,
+		.debounce_interval = DIR_300B_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= DIR_300B_GPIO_BUTTON_RESET,
 		.active_low	= 1,
 	}, {
 		.desc		= "wps",
 		.type		= EV_KEY,
 		.code		= KEY_WPS_BUTTON,
-		.threshold	= 3,
+		.debounce_interval = DIR_300B_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= DIR_300B_GPIO_BUTTON_WPS,
 		.active_low	= 1,
 	}
@@ -110,7 +111,7 @@ static void __init dir_300b_init(void)
 	rt305x_register_ethernet();
 	ramips_register_gpio_leds(-1, ARRAY_SIZE(dir_300b_leds_gpio),
 				  dir_300b_leds_gpio);
-	ramips_register_gpio_buttons(-1, DIR_300B_BUTTONS_POLL_INTERVAL,
+	ramips_register_gpio_buttons(-1, DIR_300B_KEYS_POLL_INTERVAL,
 				     ARRAY_SIZE(dir_300b_gpio_buttons),
 				     dir_300b_gpio_buttons);
 	rt305x_register_wifi();
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-esr-9753.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-esr-9753.c
index fb3b7c8d66..371487a217 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-esr-9753.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-esr-9753.c
@@ -28,7 +28,8 @@
 #define ESR_9753_GPIO_BUTTON_WPS	0	/* active low */
 #define ESR_9753_GPIO_BUTTON_RESET	10	/* active low */
 
-#define ESR_9753_BUTTONS_POLL_INTERVAL	20
+#define ESR_9753_KEYS_POLL_INTERVAL	20
+#define ESR_9753_KEYS_DEBOUNCE_INTERVAL	(3 * ESR_9753_KEYS_POLL_INTERVAL)
 
 static struct mtd_partition esr_9753_partitions[] = {
 	{
@@ -78,19 +79,19 @@ static struct gpio_led esr_9753_leds_gpio[] __initdata = {
 	}
 };
 
-static struct gpio_button esr_9753_gpio_buttons[] __initdata = {
+static struct gpio_keys_button esr_9753_gpio_buttons[] __initdata = {
 	{
 		.desc		= "reset",
 		.type		= EV_KEY,
 		.code		= KEY_RESTART,
-		.threshold	= 3,
+		.debounce_interval = ESR_9753_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= ESR_9753_GPIO_BUTTON_RESET,
 		.active_low	= 1,
 	}, {
 		.desc		= "wps",
 		.type		= EV_KEY,
 		.code		= KEY_WPS_BUTTON,
-		.threshold	= 3,
+		.debounce_interval = ESR_9753_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= ESR_9753_GPIO_BUTTON_WPS,
 		.active_low	= 1,
 	}
@@ -105,7 +106,7 @@ static void __init esr_9753_init(void)
 	ramips_register_gpio_leds(-1, ARRAY_SIZE(esr_9753_leds_gpio),
 				  esr_9753_leds_gpio);
 
-	ramips_register_gpio_buttons(-1, ESR_9753_BUTTONS_POLL_INTERVAL,
+	ramips_register_gpio_buttons(-1, ESR_9753_KEYS_POLL_INTERVAL,
 				     ARRAY_SIZE(esr_9753_gpio_buttons),
 				     esr_9753_gpio_buttons);
 
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-fonera20n.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-fonera20n.c
index 2157ca7a7c..5955f63918 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-fonera20n.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-fonera20n.c
@@ -29,7 +29,8 @@
 #define FONERA20N_GPIO_LED_POWER	9
 #define FONERA20N_GPIO_LED_USB		14
 
-#define FONERA20N_BUTTONS_POLL_INTERVAL	20
+#define FONERA20N_KEYS_POLL_INTERVAL	20
+#define FONERA20N_KEYS_DEBOUNCE_INTERVAL (3 * FONERA20N_KEYS_POLL_INTERVAL)
 
 static struct mtd_partition fonera20n_partitions[] = {
 	{
@@ -83,19 +84,19 @@ static struct gpio_led fonera20n_leds_gpio[] __initdata = {
 	}
 };
 
-static struct gpio_button fonera20n_gpio_buttons[] __initdata = {
+static struct gpio_keys_button fonera20n_gpio_buttons[] __initdata = {
 	{
 		.desc		= "reset",
 		.type		= EV_KEY,
 		.code		= KEY_RESTART,
-		.threshold	= 3,
+		.debounce_interval = FONERA20N_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= FONERA20N_GPIO_BUTTON_RESET,
 		.active_low	= 1,
 	}, {
 		.desc		= "switch",
 		.type		= EV_KEY,
 		.code		= BTN_1,
-		.threshold	= 3,
+		.debounce_interval = FONERA20N_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= FONERA20N_GPIO_SWITCH,
 		.active_low	= 1,
 	}
@@ -110,7 +111,7 @@ static void __init fonera20n_init(void)
 	ramips_register_gpio_leds(-1, ARRAY_SIZE(fonera20n_leds_gpio),
 				  fonera20n_leds_gpio);
 
-	ramips_register_gpio_buttons(-1, FONERA20N_BUTTONS_POLL_INTERVAL,
+	ramips_register_gpio_buttons(-1, FONERA20N_KEYS_POLL_INTERVAL,
 				     ARRAY_SIZE(fonera20n_gpio_buttons),
 				     fonera20n_gpio_buttons);
 
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-hw550-3g.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-hw550-3g.c
index 21587812c4..08ee40a914 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-hw550-3g.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-hw550-3g.c
@@ -31,7 +31,8 @@
 #define HW550_3G_GPIO_BUTTON_CONNECT	7
 #define HW550_3G_GPIO_BUTTON_WPS	0
 
-#define HW550_3G_BUTTONS_POLL_INTERVAL	20
+#define HW550_3G_KEYS_POLL_INTERVAL	20
+#define HW550_3G_KEYS_DEBOUNCE_INTERVAL	(3 * HW550_3G_KEYS_POLL_INTERVAL)
 
 static struct mtd_partition hw550_3g_partitions[] = {
 	{
@@ -89,26 +90,26 @@ static struct gpio_led hw550_3g_leds_gpio[] __initdata = {
 	}
 };
 
-static struct gpio_button hw550_3g_gpio_buttons[] __initdata = {
+static struct gpio_keys_button hw550_3g_gpio_buttons[] __initdata = {
 	{
 		.desc		= "reset",
 		.type		= EV_KEY,
 		.code		= KEY_RESTART,
-		.threshold	= 3,
+		.debounce_interval = HW550_3G_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= HW550_3G_GPIO_BUTTON_RESET,
 		.active_low	= 1,
 	}, {
 		.desc		= "connect",
 		.type		= EV_KEY,
 		.code		= KEY_CONNECT,
-		.threshold	= 3,
+		.debounce_interval = HW550_3G_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= HW550_3G_GPIO_BUTTON_CONNECT,
 		.active_low	= 1,
 	}, {
 		.desc		= "wps",
 		.type		= EV_KEY,
 		.code		= KEY_WPS_BUTTON,
-		.threshold	= 3,
+		.debounce_interval = HW550_3G_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= HW550_3G_GPIO_BUTTON_WPS,
 		.active_low	= 1,
 	}
@@ -127,7 +128,7 @@ static void __init hw550_3g_init(void)
 	rt305x_register_ethernet();
 	ramips_register_gpio_leds(-1, ARRAY_SIZE(hw550_3g_leds_gpio),
 				  hw550_3g_leds_gpio);
-	ramips_register_gpio_buttons(-1, HW550_3G_BUTTONS_POLL_INTERVAL,
+	ramips_register_gpio_buttons(-1, HW550_3G_KEYS_POLL_INTERVAL,
 				     ARRAY_SIZE(hw550_3g_gpio_buttons),
 				     hw550_3g_gpio_buttons);
 	rt305x_register_wifi();
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-mofi3500-3gn.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-mofi3500-3gn.c
index e3273ba70e..fa046df9fe 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-mofi3500-3gn.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-mofi3500-3gn.c
@@ -31,7 +31,8 @@
 #define MOFI3500_3GN_GPIO_BUTTON_CONNECT	7
 #define MOFI3500_3GN_GPIO_BUTTON_WPS		0
 
-#define MOFI3500_3GN_BUTTONS_POLL_INTERVAL	20
+#define MOFI3500_3GN_KEYS_POLL_INTERVAL		20
+#define MOFI3500_3GN_KEYS_DEBOUNCE_INTERVAL	(3 * MOFI3500_3GN_KEYS_POLL_INTERVAL)
 
 static struct mtd_partition mofi3500_3gn_partitions[] = {
 	{
@@ -89,26 +90,26 @@ static struct gpio_led mofi3500_3gn_leds_gpio[] __initdata = {
 	}
 };
 
-static struct gpio_button mofi3500_3gn_gpio_buttons[] __initdata = {
+static struct gpio_keys_button mofi3500_3gn_gpio_buttons[] __initdata = {
 	{
 		.desc		= "reset",
 		.type		= EV_KEY,
 		.code		= KEY_RESTART,
-		.threshold	= 3,
+		.debounce_interval = MOFI3500_3GN_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= MOFI3500_3GN_GPIO_BUTTON_RESET,
 		.active_low	= 1,
 	}, {
 		.desc		= "connect",
 		.type		= EV_KEY,
 		.code		= KEY_CONNECT,
-		.threshold	= 3,
+		.debounce_interval = MOFI3500_3GN_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= MOFI3500_3GN_GPIO_BUTTON_CONNECT,
 		.active_low	= 1,
 	}, {
 		.desc		= "wps",
 		.type		= EV_KEY,
 		.code		= KEY_WPS_BUTTON,
-		.threshold	= 3,
+		.debounce_interval = MOFI3500_3GN_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= MOFI3500_3GN_GPIO_BUTTON_WPS,
 		.active_low	= 1,
 	}
@@ -127,7 +128,7 @@ static void __init mofi3500_3gn_init(void)
 	rt305x_register_ethernet();
 	ramips_register_gpio_leds(-1, ARRAY_SIZE(mofi3500_3gn_leds_gpio),
 				  mofi3500_3gn_leds_gpio);
-	ramips_register_gpio_buttons(-1, MOFI3500_3GN_BUTTONS_POLL_INTERVAL,
+	ramips_register_gpio_buttons(-1, MOFI3500_3GN_KEYS_POLL_INTERVAL,
 				     ARRAY_SIZE(mofi3500_3gn_gpio_buttons),
 				     mofi3500_3gn_gpio_buttons);
 	rt305x_register_wifi();
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-nbg-419n.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-nbg-419n.c
index 63071da656..afe51d71e8 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-nbg-419n.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-nbg-419n.c
@@ -28,7 +28,8 @@
 #define NBG_419N_GPIO_BUTTON_WPS	0	/* active low */
 #define NBG_419N_GPIO_BUTTON_RESET	10	/* active low */
 
-#define NBG_419N_BUTTONS_POLL_INTERVAL	20
+#define NBG_419N_KEYS_POLL_INTERVAL	20
+#define NBG_419N_KEYS_DEBOUNCE_INTERVAL	(3 * NBG_419N_KEYS_POLL_INTERVAL)
 
 static struct mtd_partition nbg_419n_partitions[] = {
 	{
@@ -70,19 +71,19 @@ static struct gpio_led nbg_419n_leds_gpio[] __initdata = {
 	}
 };
 
-static struct gpio_button nbg_419n_gpio_buttons[] __initdata = {
+static struct gpio_keys_button nbg_419n_gpio_buttons[] __initdata = {
 	{
 		.desc		= "reset",
 		.type		= EV_KEY,
 		.code		= KEY_RESTART,
-		.threshold	= 3,
+		.debounce_interval = NBG_419N_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= NBG_419N_GPIO_BUTTON_RESET,
 		.active_low	= 1,
 	}, {
 		.desc		= "wps",
 		.type		= EV_KEY,
 		.code		= KEY_WPS_BUTTON,
-		.threshold	= 3,
+		.debounce_interval = NBG_419N_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= NBG_419N_GPIO_BUTTON_WPS,
 		.active_low	= 1,
 	}
@@ -97,7 +98,7 @@ static void __init nbg_419n_init(void)
 	rt305x_register_ethernet();
 	ramips_register_gpio_leds(-1, ARRAY_SIZE(nbg_419n_leds_gpio),
 				  nbg_419n_leds_gpio);
-	ramips_register_gpio_buttons(-1, NBG_419N_BUTTONS_POLL_INTERVAL,
+	ramips_register_gpio_buttons(-1, NBG_419N_KEYS_POLL_INTERVAL,
 				     ARRAY_SIZE(nbg_419n_gpio_buttons),
 				     nbg_419n_gpio_buttons);
 	rt305x_register_wifi();
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-nw718.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-nw718.c
index 917357ec12..a287bc63ff 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-nw718.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-nw718.c
@@ -32,7 +32,8 @@
 
 #define NW718_GPIO_SPI_CS0		3
 
-#define NW718_BUTTONS_POLL_INTERVAL	20
+#define NW718_KEYS_POLL_INTERVAL	20
+#define NW718_KEYS_DEBOUNCE_INTERVAL	(3 * NW718_KEYS_POLL_INTERVAL)
 
 static struct mtd_partition nw718_partitions[] = {
 	{
@@ -86,19 +87,19 @@ static struct gpio_led nw718_leds_gpio[] __initdata = {
 	}
 };
 
-static struct gpio_button nw718_gpio_buttons[] __initdata = {
+static struct gpio_keys_button nw718_gpio_buttons[] __initdata = {
 	{
 		.desc		= "reset",
 		.type		= EV_KEY,
 		.code		= KEY_RESTART,
-		.threshold	= 3,
+		.debounce_interval = NW718_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= NW718_GPIO_BUTTON_RESET,
 		.active_low	= 1,
 	}, {
 		.desc		= "wps",
 		.type		= EV_KEY,
 		.code		= KEY_WPS_BUTTON,
-		.threshold	= 3,
+		.debounce_interval = NW718_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= NW718_GPIO_BUTTON_WPS,
 		.active_low	= 1,
 	}
@@ -124,7 +125,7 @@ static void __init nw718_init(void)
 	rt305x_register_ethernet();
 	ramips_register_gpio_leds(-1, ARRAY_SIZE(nw718_leds_gpio),
 				  nw718_leds_gpio);
-	ramips_register_gpio_buttons(-1, NW718_BUTTONS_POLL_INTERVAL,
+	ramips_register_gpio_buttons(-1, NW718_KEYS_POLL_INTERVAL,
 				     ARRAY_SIZE(nw718_gpio_buttons),
 				     nw718_gpio_buttons);
 	rt305x_register_wifi();
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-omni-emb.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-omni-emb.c
index a6c1a163a3..149609956a 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-omni-emb.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-omni-emb.c
@@ -25,7 +25,8 @@
 
 #define OMNI_EMB_GPIO_BUTTON_RESET	12 /* active low */
 
-#define OMNI_EMB_BUTTONS_POLL_INTERVAL	20
+#define OMNI_EMB_KEYS_POLL_INTERVAL	20
+#define OMNI_EMB_KEYS_DEBOUNCE_INTERVAL	(3 * OMNI_EMB_KEYS_POLL_INTERVAL)
 
 #define OMNI_EMB_GPIO_LED_STATUS	9
 #define OMNI_EMB_GPIO_LED_WLAN		14
@@ -77,12 +78,12 @@ static struct gpio_led omni_emb_leds_gpio[] __initdata = {
 	}
 };
 
-static struct gpio_button omni_emb_gpio_buttons[] __initdata = {
+static struct gpio_keys_button omni_emb_gpio_buttons[] __initdata = {
 	{
 		.desc           = "reset",
 		.type           = EV_KEY,
 		.code           = KEY_RESTART,
-		.threshold      = 3,
+		.debounce_interval = OMNI_EMB_KEYS_DEBOUNCE_INTERVAL,
 		.gpio           = OMNI_EMB_GPIO_BUTTON_RESET,
 		.active_low     = 1,
 	}
@@ -96,7 +97,7 @@ static void __init omni_emb_init(void)
 
 	ramips_register_gpio_leds(-1, ARRAY_SIZE(omni_emb_leds_gpio),
 				omni_emb_leds_gpio);
-	ramips_register_gpio_buttons(-1, OMNI_EMB_BUTTONS_POLL_INTERVAL,
+	ramips_register_gpio_buttons(-1, OMNI_EMB_KEYS_POLL_INTERVAL,
 				ARRAY_SIZE(omni_emb_gpio_buttons),
 				omni_emb_gpio_buttons);
 
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-pwh2004.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-pwh2004.c
index 4eb1f4b99e..dc02f49638 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-pwh2004.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-pwh2004.c
@@ -25,7 +25,8 @@
 #define PWH2004_GPIO_BUTTON_WPS		12
 #define PWH2004_GPIO_LED_POWER		9
 #define PWH2004_GPIO_LED_WIFI		14
-#define PWH2004_BUTTONS_POLL_INTERVAL	20
+#define PWH2004_KEYS_POLL_INTERVAL	20
+#define PWH2004_KEYS_DEBOUNCE_INTERVAL	(3 * PWH2004_KEYS_POLL_INTERVAL)
 
 static struct mtd_partition pwh2004_partitions[] = {
 	{
@@ -71,12 +72,12 @@ static struct gpio_led pwh2004_leds_gpio[] __initdata = {
 	}
 };
 
-static struct gpio_button pwh2004_gpio_buttons[] __initdata = {
+static struct gpio_keys_button pwh2004_gpio_buttons[] __initdata = {
 	{
 		.desc		= "wps",
 		.type		= EV_KEY,
 		.code		= KEY_RESTART,
-		.threshold	= 3,
+		.debounce_interval = PWH2004_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= PWH2004_GPIO_BUTTON_WPS,
 		.active_low	= 1,
 	}
@@ -88,7 +89,7 @@ static void __init pwh2004_init(void)
 	rt305x_register_flash(0, &pwh2004_flash_data);
 	ramips_register_gpio_leds(-1, ARRAY_SIZE(pwh2004_leds_gpio),
 				  pwh2004_leds_gpio);
-	ramips_register_gpio_buttons(-1, PWH2004_BUTTONS_POLL_INTERVAL,
+	ramips_register_gpio_buttons(-1, PWH2004_KEYS_POLL_INTERVAL,
 				     ARRAY_SIZE(pwh2004_gpio_buttons),
 				     pwh2004_gpio_buttons);
 	rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_LLLLW;
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-rt-g32-revb.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-rt-g32-revb.c
index 6963c1744e..2359f2a40d 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-rt-g32-revb.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-rt-g32-revb.c
@@ -25,7 +25,8 @@
 #define RT_G32B_GPIO_BUTTON_WPS		0	/* active low */
 #define RT_G32B_GPIO_BUTTON_RESET	10	/* active low */
 
-#define RT_G32B_BUTTONS_POLL_INTERVAL	20
+#define RT_G32B_KEYS_POLL_INTERVAL	20
+#define RT_G32B_KEYS_DEBOUNCE_INTERVAL	(3 * RT_G32B_KEYS_POLL_INTERVAL)
 
 static struct mtd_partition rt_g32b_partitions[] = {
 	{
@@ -75,19 +76,19 @@ struct spi_board_info __initdata rt_g32b_spi_slave_info[] = {
 	},
 };
 
-static struct gpio_button rt_g32b_gpio_buttons[] __initdata = {
+static struct gpio_keys_button rt_g32b_gpio_buttons[] __initdata = {
 	{
 		.desc		= "reset",
 		.type		= EV_KEY,
 		.code		= KEY_RESTART,
-		.threshold	= 3,
+		.debounce_interval = RT_G32B_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= RT_G32B_GPIO_BUTTON_RESET,
 		.active_low	= 1,
 	}, {
 		.desc		= "wps",
 		.type		= EV_KEY,
 		.code		= KEY_WPS_BUTTON,
-		.threshold	= 3,
+		.debounce_interval = RT_G32B_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= RT_G32B_GPIO_BUTTON_WPS,
 		.active_low	= 1,
 	}
@@ -101,7 +102,7 @@ static void __init rt_g32b_init(void)
 
 	rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_LLLLW;
 	rt305x_register_ethernet();
-	ramips_register_gpio_buttons(-1, RT_G32B_BUTTONS_POLL_INTERVAL,
+	ramips_register_gpio_buttons(-1, RT_G32B_KEYS_POLL_INTERVAL,
 				     ARRAY_SIZE(rt_g32b_gpio_buttons),
 				     rt_g32b_gpio_buttons);
 	rt305x_register_wifi();
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-v22rw-2x2.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-v22rw-2x2.c
index 6dee249440..acef978071 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-v22rw-2x2.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-v22rw-2x2.c
@@ -27,7 +27,8 @@
 #define V22RW_2X2_GPIO_LED_SECURITY	13
 #define V22RW_2X2_GPIO_LED_WPS		14
 
-#define V22RW_2X2_BUTTONS_POLL_INTERVAL	20
+#define V22RW_2X2_KEYS_POLL_INTERVAL	20
+#define V22RW_2X2_KEYS_DEBOUNCE_INTERVAL (3 * V22RW_2X2_KEYS_POLL_INTERVAL)
 
 static struct mtd_partition v22rw_2x2_partitions[] = {
 	{
@@ -77,19 +78,19 @@ static struct gpio_led v22rw_2x2_leds_gpio[] __initdata = {
 	}
 };
 
-static struct gpio_button v22rw_2x2_gpio_buttons[] __initdata = {
+static struct gpio_keys_button v22rw_2x2_gpio_buttons[] __initdata = {
 	{
 		.desc		= "reset",
 		.type		= EV_KEY,
 		.code		= KEY_RESTART,
-		.threshold	= 3,
+		.debounce_interval = V22RW_2X2_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= V22RW_2X2_GPIO_BUTTON_SWRST,
 		.active_low	= 1,
 	}, {
 		.desc		= "wps",
 		.type		= EV_KEY,
 		.code		= KEY_WPS_BUTTON,
-		.threshold	= 3,
+		.debounce_interval = V22RW_2X2_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= V22RW_2X2_GPIO_BUTTON_WPS,
 		.active_low	= 1,
 	}
@@ -104,7 +105,7 @@ static void __init v22rw_2x2_init(void)
 	rt305x_register_ethernet();
 	ramips_register_gpio_leds(-1, ARRAY_SIZE(v22rw_2x2_leds_gpio),
 				  v22rw_2x2_leds_gpio);
-	ramips_register_gpio_buttons(-1, V22RW_2X2_BUTTONS_POLL_INTERVAL,
+	ramips_register_gpio_buttons(-1, V22RW_2X2_KEYS_POLL_INTERVAL,
 				     ARRAY_SIZE(v22rw_2x2_gpio_buttons),
 				     v22rw_2x2_gpio_buttons);
 	rt305x_register_wifi();
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-w502u.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-w502u.c
index b214026595..390388b1ce 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-w502u.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-w502u.c
@@ -28,7 +28,8 @@
 #define W502U_GPIO_BUTTON_WPS		0
 #define W502U_GPIO_BUTTON_RESET		10
 
-#define W502U_BUTTONS_POLL_INTERVAL	20
+#define W502U_KEYS_POLL_INTERVAL	20
+#define W502U_KEYS_DEBOUNCE_INTERVAL	(3 * W502U_KEYS_POLL_INTERVAL)
 
 static struct mtd_partition w502u_partitions[] = {
 	{
@@ -84,12 +85,12 @@ static struct gpio_led w502u_leds_gpio[] __initdata = {
 	},
 };
 
-static struct gpio_button w502u_gpio_buttons[] __initdata = {
+static struct gpio_keys_button w502u_gpio_buttons[] __initdata = {
 	{
 		.desc		= "Reset button",
 		.type		= EV_KEY,
 		.code		= KEY_RESTART,
-		.threshold	= 3,
+		.debounce_interval = W502U_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= W502U_GPIO_BUTTON_RESET,
 		.active_low	= 1,
 	},
@@ -97,7 +98,7 @@ static struct gpio_button w502u_gpio_buttons[] __initdata = {
 		.desc		= "WPS button",
 		.type		= EV_KEY,
 		.code		= KEY_WPS_BUTTON,
-		.threshold	= 3,
+		.debounce_interval = W502U_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= W502U_GPIO_BUTTON_WPS,
 		.active_low	= 1,
 	},
@@ -113,7 +114,7 @@ static void __init w502u_init(void)
 	rt305x_register_ethernet();
 	ramips_register_gpio_leds(-1, ARRAY_SIZE(w502u_leds_gpio),
 				  w502u_leds_gpio);
-	ramips_register_gpio_buttons(-1, W502U_BUTTONS_POLL_INTERVAL,
+	ramips_register_gpio_buttons(-1, W502U_KEYS_POLL_INTERVAL,
 				     ARRAY_SIZE(w502u_gpio_buttons),
 				     w502u_gpio_buttons);
 	rt305x_register_wifi();
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-wcr150gn.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-wcr150gn.c
index 8e3ed733a2..96a449527f 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-wcr150gn.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-wcr150gn.c
@@ -26,7 +26,8 @@
 #define WCR150GN_GPIO_LED_POWER                        8
 #define WCR150GN_GPIO_BUTTON_WPS               10
 #define WCR150GN_GPIO_BUTTON_RESET             0
-#define WCR150GN_BUTTONS_POLL_INTERVAL         20
+#define WCR150GN_KEYS_POLL_INTERVAL	20
+#define WCR150GN_KEYS_DEBOUNCE_INTERVAL	(3 * WCR150GN_KEYS_POLL_INTERVAL)
 
 static struct gpio_led wcr150gn_leds_gpio[] __initdata = {
 	{
@@ -41,12 +42,12 @@ static struct gpio_led wcr150gn_leds_gpio[] __initdata = {
 	}
 };
 
-static struct gpio_button wcr150gn_gpio_buttons[] __initdata = {
+static struct gpio_keys_button wcr150gn_gpio_buttons[] __initdata = {
 	{
 		.desc       = "wps",
 		.type       = EV_KEY,
 		.code       = KEY_WPS_BUTTON,
-		.threshold  = 3,
+		.debounce_interval = WCR150GN_KEYS_DEBOUNCE_INTERVAL,
 		.gpio       = WCR150GN_GPIO_BUTTON_WPS,
 		.active_low = 1,
 	},
@@ -54,7 +55,7 @@ static struct gpio_button wcr150gn_gpio_buttons[] __initdata = {
 		.desc       = "reset",
 		.type       = EV_KEY,
 		.code       = KEY_RESTART,
-		.threshold  = 10,
+		.debounce_interval = WCR150GN_KEYS_DEBOUNCE_INTERVAL,
 		.gpio       = WCR150GN_GPIO_BUTTON_RESET,
 		.active_low = 1,
 	}
@@ -104,7 +105,7 @@ static void __init wcr150gn_init(void)
 	rt305x_register_flash(0, &wcr150gn_flash_data);
 	ramips_register_gpio_leds(-1, ARRAY_SIZE(wcr150gn_leds_gpio),
 				  wcr150gn_leds_gpio);
-	ramips_register_gpio_buttons(-1, WCR150GN_BUTTONS_POLL_INTERVAL,
+	ramips_register_gpio_buttons(-1, WCR150GN_KEYS_POLL_INTERVAL,
 				     ARRAY_SIZE(wcr150gn_gpio_buttons),
 				     wcr150gn_gpio_buttons);
 	rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_LLLLW;
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-whr-g300n.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-whr-g300n.c
index 394c45acca..6d6dc7f60f 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-whr-g300n.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-whr-g300n.c
@@ -31,7 +31,8 @@
 #define WHR_G300N_GPIO_BUTTON_ROUTER_ON		8	/* active low */
 #define WHR_G300N_GPIO_BUTTON_ROUTER_OFF	11	/* active low */
 
-#define WHR_G300N_BUTTONS_POLL_INTERVAL		20
+#define WHR_G300N_KEYS_POLL_INTERVAL		20
+#define WHR_G300N_KEYS_DEBOUNCE_INTERVAL	(3 * WHR_G300N_KEYS_POLL_INTERVAL)
 
 static struct mtd_partition whr_g300n_partitions[] = {
 	{
@@ -89,33 +90,33 @@ static struct gpio_led whr_g300n_leds_gpio[] __initdata = {
 	}
 };
 
-static struct gpio_button whr_g300n_gpio_buttons[] __initdata = {
+static struct gpio_keys_button whr_g300n_gpio_buttons[] __initdata = {
 	{
 		.desc		= "reset",
 		.type		= EV_KEY,
 		.code		= KEY_RESTART,
-		.threshold	= 3,
+		.debounce_interval = WHR_G300N_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= WHR_G300N_GPIO_BUTTON_RESET,
 		.active_low	= 1,
 	}, {
 		.desc		= "aoss",
 		.type		= EV_KEY,
 		.code		= KEY_WPS_BUTTON,
-		.threshold	= 3,
+		.debounce_interval = WHR_G300N_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= WHR_G300N_GPIO_BUTTON_AOSS,
 		.active_low	= 1,
 	}, {
 		.desc		= "router-off",
 		.type		= EV_KEY,
 		.code		= BTN_2,
-		.threshold	= 3,
+		.debounce_interval = WHR_G300N_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= WHR_G300N_GPIO_BUTTON_ROUTER_OFF,
 		.active_low	= 1,
 	}, {
 		.desc		= "router-on",
 		.type		= EV_KEY,
 		.code		= BTN_3,
-		.threshold	= 3,
+		.debounce_interval = WHR_G300N_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= WHR_G300N_GPIO_BUTTON_ROUTER_ON,
 		.active_low	= 1,
 	}
@@ -130,7 +131,7 @@ static void __init whr_g300n_init(void)
 	rt305x_register_ethernet();
 	ramips_register_gpio_leds(-1, ARRAY_SIZE(whr_g300n_leds_gpio),
 				  whr_g300n_leds_gpio);
-	ramips_register_gpio_buttons(-1, WHR_G300N_BUTTONS_POLL_INTERVAL,
+	ramips_register_gpio_buttons(-1, WHR_G300N_KEYS_POLL_INTERVAL,
 				     ARRAY_SIZE(whr_g300n_gpio_buttons),
 				     whr_g300n_gpio_buttons);
 	rt305x_register_wifi();
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-wl341v3.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-wl341v3.c
index a3c4485584..f737fe523d 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-wl341v3.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-wl341v3.c
@@ -33,7 +33,8 @@
 #define WL341V3_GPIO_BUTTON_WPS		5	/* active low */
 #define WL341V3_GPIO_BUTTON_RESET	7	/* active low */
 
-#define WL341V3_BUTTONS_POLL_INTERVAL	20
+#define WL341V3_KEYS_POLL_INTERVAL	20
+#define WL341V3_KEYS_DEBOUNCE_INTERVAL	(3 * WL341V3_KEYS_POLL_INTERVAL)
 
 static struct mtd_partition wl341v3_partitions[] = {
 	{
@@ -111,19 +112,19 @@ static struct gpio_led wl341v3_leds_gpio[] __initdata = {
 	}
 };
 
-static struct gpio_button wl341v3_gpio_buttons[] __initdata = {
+static struct gpio_keys_button wl341v3_gpio_buttons[] __initdata = {
 	{
 		.desc		= "reset",
 		.type		= EV_KEY,
 		.code		= KEY_RESTART,
-		.threshold	= 3,
+		.debounce_interval = WL341V3_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= WL341V3_GPIO_BUTTON_RESET,
 		.active_low	= 1,
 	}, {
 		.desc		= "wps",
 		.type		= EV_KEY,
 		.code		= KEY_WPS_BUTTON,
-		.threshold	= 3,
+		.debounce_interval = WL341V3_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= WL341V3_GPIO_BUTTON_WPS,
 		.active_low	= 1,
 	}
@@ -138,7 +139,7 @@ static void __init wl341v3_init(void)
 	rt305x_register_ethernet();
 	ramips_register_gpio_leds(-1, ARRAY_SIZE(wl341v3_leds_gpio),
 				  wl341v3_leds_gpio);
-	ramips_register_gpio_buttons(-1, WL341V3_BUTTONS_POLL_INTERVAL,
+	ramips_register_gpio_buttons(-1, WL341V3_KEYS_POLL_INTERVAL,
 				     ARRAY_SIZE(wl341v3_gpio_buttons),
 				     wl341v3_gpio_buttons);
 	rt305x_register_wifi();
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-wl351.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-wl351.c
index ff2a1c2e56..9d227b66b8 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-wl351.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-wl351.c
@@ -31,8 +31,8 @@
 #define WL351_GPIO_BUTTON_RESET	10
 #define WL351_GPIO_BUTTON_WPS	0
 
-#define WL351_BUTTONS_POLL_INTERVAL	20
-
+#define WL351_KEYS_POLL_INTERVAL	20
+#define WL351_KEYS_DEBOUNCE_INTERVAL	(3 * WL351_KEYS_POLL_INTERVAL)
 
 static struct gpio_led wl351_leds_gpio[] __initdata = {
 	{
@@ -51,19 +51,19 @@ static struct gpio_led wl351_leds_gpio[] __initdata = {
 };
 
 
-static struct gpio_button wl351_gpio_buttons[] __initdata = {
+static struct gpio_keys_button wl351_gpio_buttons[] __initdata = {
 	{
 		.desc		= "reset",
 		.type		= EV_KEY,
 		.code		= KEY_RESTART,
-		.threshold	= 3,
+		.debounce_interval = WL351_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= WL351_GPIO_BUTTON_RESET,
 		.active_low	= 1,
 	}, {
 		.desc		= "wps",
 		.type		= EV_KEY,
 		.code		= KEY_WPS_BUTTON,
-		.threshold	= 3,
+		.debounce_interval = WL351_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= WL351_GPIO_BUTTON_WPS,
 		.active_low	= 1,
 	}
@@ -133,7 +133,7 @@ static void __init wl351_init(void)
 	rt305x_register_flash(0, &wl351_flash_data);
 	ramips_register_gpio_leds(-1, ARRAY_SIZE(wl351_leds_gpio),
 						wl351_leds_gpio);
-	ramips_register_gpio_buttons(-1, WL351_BUTTONS_POLL_INTERVAL,
+	ramips_register_gpio_buttons(-1, WL351_KEYS_POLL_INTERVAL,
 				     ARRAY_SIZE(wl351_gpio_buttons),
 				     wl351_gpio_buttons);
 	// external rtl8366rb
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-wr512-3gn.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-wr512-3gn.c
index d49a243622..201823c49c 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-wr512-3gn.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-wr512-3gn.c
@@ -42,7 +42,8 @@
 #define WR512_3GN_GPIO_BUTTON_WPS	0
 #define WR512_3GN_GPIO_BUTTON_WPS2	8
 
-#define WR512_3GN_BUTTONS_POLL_INTERVAL	20
+#define WR512_3GN_KEYS_POLL_INTERVAL	20
+#define WR512_3GN_KEYS_DEBOUNCE_INTERVAL (3 * WR512_3GN_KEYS_POLL_INTERVAL)
 
 static struct mtd_partition wr512_3gn_partitions[] = {
 	{
@@ -104,19 +105,19 @@ static struct gpio_led wr512_3gn_leds_gpio[] __initdata = {
 	}
 };
 
-static struct gpio_button wr512_3gn_gpio_buttons[] __initdata = {
+static struct gpio_keys_button wr512_3gn_gpio_buttons[] __initdata = {
 	{
 		.desc		= "reset_wps",
 		.type		= EV_KEY,
 		.code		= KEY_RESTART,
-		.threshold	= 3,
+		.debounce_interval = WR512_3GN_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= WR512_3GN_GPIO_BUTTON_RESET,
 		.active_low	= 1,
 	}, {
 		.desc		= "mode",
 		.type		= EV_KEY,
 		.code		= KEY_M,
-		.threshold	= 3,
+		.debounce_interval = WR512_3GN_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= WR512_3GN_GPIO_BUTTON_CONNECT,
 		.active_low	= 1,
 	}
@@ -135,7 +136,7 @@ static void __init wr512_3gn_init(void)
 	rt305x_register_ethernet();
 	ramips_register_gpio_leds(-1, ARRAY_SIZE(wr512_3gn_leds_gpio),
 				  wr512_3gn_leds_gpio);
-	ramips_register_gpio_buttons(-1, WR512_3GN_BUTTONS_POLL_INTERVAL,
+	ramips_register_gpio_buttons(-1, WR512_3GN_KEYS_POLL_INTERVAL,
 				     ARRAY_SIZE(wr512_3gn_gpio_buttons),
 				     wr512_3gn_gpio_buttons);
 	rt305x_register_wifi();
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-wr6202.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-wr6202.c
index 9609b18285..c63adb96dd 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-wr6202.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-wr6202.c
@@ -26,7 +26,8 @@
 #define WR6202_GPIO_BUTTON_RESET     10        /* active low */
 #define WR6202_GPIO_BUTTON_WPS        0        /* active low */
 
-#define WR6202_BUTTONS_POLL_INTERVAL 20
+#define WR6202_KEYS_POLL_INTERVAL 20
+#define WR6202_KEYS_DEBOUNCE_INTERVAL	(3 * WR6202_KEYS_POLL_INTERVAL)
 
 #define WR6202_GPIO_USB_POWER	     11
 
@@ -76,19 +77,19 @@ static struct gpio_led wr6202_leds_gpio[] __initdata = {
 	}
 };
 
-static struct gpio_button wr6202_gpio_buttons[] __initdata = {
+static struct gpio_keys_button wr6202_gpio_buttons[] __initdata = {
 	{
 		.desc           = "reset",
 		.type           = EV_KEY,
 		.code           = KEY_RESTART,
-		.threshold      = 3,
+		.debounce_interval = WR6202_KEYS_DEBOUNCE_INTERVAL,
 		.gpio           = WR6202_GPIO_BUTTON_RESET,
 		.active_low     = 1,
 	}, {
 		.desc           = "wps",
 		.type           = EV_KEY,
 		.code           = KEY_WPS_BUTTON,
-		.threshold      = 3,
+		.debounce_interval = WR6202_KEYS_DEBOUNCE_INTERVAL,
 		.gpio           = WR6202_GPIO_BUTTON_WPS,
 		.active_low     = 1,
 	}
@@ -102,7 +103,7 @@ static void __init wr6202_init(void)
 
 	ramips_register_gpio_leds(-1, ARRAY_SIZE(wr6202_leds_gpio),
 				wr6202_leds_gpio);
-	ramips_register_gpio_buttons(-1, WR6202_BUTTONS_POLL_INTERVAL,
+	ramips_register_gpio_buttons(-1, WR6202_KEYS_POLL_INTERVAL,
 				ARRAY_SIZE(wr6202_gpio_buttons),
 				wr6202_gpio_buttons);